Water gun with a back pack



FIG. 1 is a rear perspective view of a water gun with a back pack in accordance with our new design;

FIG. 2 is a front perspective view of the water gun and back pack connection portion thereof;

FIG. 3 is a right side elevational view of the water gun and back pack connection portion thereof;

FIG. 4 is a bottom plan view of the water gun and back pack connection portion thereof;

FIG. 5 is top plan view of the water gun and back pack onnection portion thereof;

FIG. 6 is a rear elevational view of the water gun and back pack portion connection thereof;

FIG. 7 is a front elevational view of the water gun and back pack connection portion thereof;

FIG. 8 is a perspective view of the back pack portion thereof;

FIG. 9 is a rear elevational view of the back pack portion thereof;

FIG. 10 is a left side elevational view of the back pack portion thereof;

FIG. 11 is a right side elevational view of the back pack portion thereof;

FIG. 12 is a front elevational view of the back pack portion thereof;

FIG. 13 is a top plan view of the back pack portion thereof; and,

FIG. 14 is a bottom plan view of the back pack portion thereof.

The broken lines shown in FIG. 1 are for illustrative purposes only and form no part of the claimed design and the separate showing of water gun, back pack connection and back pack in FIGS. 2-14 is for ease of illustration only. 

The ornamental design for a water gun with a back pack, as shown and described. 